Dear netters,
Thanks to all who replied!! Here is the answer to my question. The most
frequent one (and cheapest...) was to get these from Sigma #T6765 (page
1947, 1994 Catalog). Beware, apparently there is a change in the Cat.
number (change to T6667, something to do with Aldrich...)
Again, a thousand thanks
Pierre
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Pierre Belhumeur, Ph.D.
Dept. Microbiology
Universite de Montreal
Tel:(514) 343-5639
FAX:(514) 343-5701